HPC:Java

OpenJDK 1.6.0, 1.7.0 and 1.8.0 have been installed on all nodes. The default is 1.6.0. If you want to set 1.7.0 or 1.8.0 as the default version of java, use either the `java-sdk-1.7.0` or `java-sdk-1.8.0` environment module